A fine-grained, firm earthy material that is plastic when wet and hardens when heated, consisting primarily of hydrated silicates of aluminum and widely used in making bricks, tiles, and pottery.
A hardening or nonhardening material having a consistency similar to clay and used for modeling.
Geology A sedimentary material with grains smaller than 0.002 millimeters in diameter.
Moist sticky earth; mud.
The human body as opposed to the spirit.
[Middle English clei, from Old English clæg.] clay'ey (klā'ē), clay'ish adj.
[kley-ee] 
i